An article yesterday in the Washington Post disclosed the NSA's massive cell phone location program. The program, codenamed CO-TRAVELER, is designed to track who meets with whom and covers everyone who carries a cell phone, all around the world.

With neither public debate nor court authorization, CO-TRAVELER collects billions of records daily of cell phone user location information. It maps the relationships of cell phone users across global mobile network cables, gathering data about who you are physically with and how often your movements intersect with other cell phone users. The program even tracks when your phone is turned on or off.

As we did last year and the year before, EFF welcomes the winter season with a new wishlist of some things we'd love to have happen for the holidays—for us and for all Internet users. These are some of the actions we'd most like to see from companies, governments, organizations, and individuals in the new year.

You might think that if the US Supreme Court's ruling that a GPS device was a "search," the inevitable conclusion is that police would need a warrant to install a GPS device on a car. After all, warrantless searches areper seunreasonable under theFourth Amendment(except in few limited exceptions), so the absence of a warrant would make the search unconstitutional.

As the highest court in Massachusetts considers whether cell-site data is private in the context of the Fourth Amendment, we filed an amicus brief arguing that when the police want to be able to recreate your every step—figuring out your patterns of movement, where you've been and with whom—they must obtain a search warrant.